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  Characterization of epithelial senescence by serial analysis of gene expression: Identification of genes potentially involved in prostate cancer

Untergasser, G., Koch, H. B., Menssen, A., & Hermeking, H. (2002). Characterization of epithelial senescence by serial analysis of gene expression: Identification of genes potentially involved in prostate cancer. Cancer Research, 62(21), 6255-6262.

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Genre: Journal Article
Alternative Title : Cancer Res.

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 Creators:
Untergasser, G.1, Author              
Koch, H. B.1, Author              
Menssen, A.2, Author              
Hermeking, H.1, Author              
Affiliations:
1Former Research Groups, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565145              
2Ullrich, Axel / Molecular Biology, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565172              

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 Abstract: Evasion of cellular senescence is required for the immortal phenotype of tumor cells. The tumor suppressor genes p16(INK4A), pRb, and p53 have been implicated in the induction of cellular senescence. To identify additional genes and pathways involved in the regulation of senescence in prostate epithelial cells (PrECs), we performed serial analysis of gene expression (SAGE). The gene expression pattern of human PrECs arrested because of senescence was compared with the pattern of early passage cells arrested because of confluence. A total of 144,137 SAGE tags representing 25,645 unique mRNA species was collected and analyzed: 157 mRNAs (70 with known function) were up-regulated and 116 (65 with known function) were down- regulated significantly in senescent PrECs (P < 0.05; fold difference >2.5). The differential regulation of an exemplary set of genes during senescence was confirmed by quantitative real-time PCR in PrECs derived from three different donors. The results presented here provide the molecular basis of the characteristic changes in morphology and proliferation observed in senescent PrECs. Furthermore, the differentially expressed genes identified in this report will be instrumental in the further analysis of cellular senescence in PrECs and may lead to the identification of tumor suppressor genes and proto- oncogenes involved in the development of prostate cancer.

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Language(s): eng - English
 Dates: 2002-11-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 35338
ISI: 000179062400039
 Degree: -

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Title: Cancer Research
  Alternative Title : Cancer Res.
Source Genre: Journal
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Pages: - Volume / Issue: 62 (21) Sequence Number: - Start / End Page: 6255 - 6262 Identifier: ISSN: 0008-5472